31000424

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 72441600

約数和(自身を除く): 41441176

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 97, 104, 182, 194, 364, 388, 439, 679, 728, 776, 878, 1261, 1358, 1756, 2522, 2716, 3073, 3512, 5044, 5432, 5707, 6146, 8827, 10088, 11414, 12292, 17654, 22828, 24584, 35308, 39949, 42583, 45656, 70616, 79898, 85166, 159796, 170332, 298081, 319592, 340664, 553579, 596162, 1107158, 1192324, 2214316, 2384648, 3875053, 4428632, 7750106, 15500212, 31000424]

約数ペア:

[(1, 31000424), (2, 15500212), (4, 7750106), (7, 4428632), (8, 3875053), (13, 2384648), (14, 2214316), (26, 1192324), (28, 1107158), (52, 596162), (56, 553579), (91, 340664), (97, 319592), (104, 298081), (182, 170332), (194, 159796), (364, 85166), (388, 79898), (439, 70616), (679, 45656), (728, 42583), (776, 39949), (878, 35308), (1261, 24584), (1358, 22828), (1756, 17654), (2522, 12292), (2716, 11414), (3073, 10088), (3512, 8827), (5044, 6146), (5432, 5707)]